A method to determine resin flow during curing of composite laminates
作者:
Anoush Poursartip,
Golnar Riahi,
Laurie Frederick,
Xie Lin,
期刊:
Polymer Composites
(WILEY Available online 1992)
卷期:
Volume 13,
issue 1
页码: 58-65
ISSN:0272-8397
年代: 1992
DOI:10.1002/pc.750130109
出版商: Society of Plastics Engineers
数据来源: WILEY
摘要:
AbstractAn experimental method is presented to determine the amount of resin flow within a composite laminate during cure. The method is analogous to the use of radioactive tracers in other applications. Heavier elements such as chlorine and bromine, which may be naturally present in small amounts in epoxy resins are used to follow resin flow and mixing. The presence and the quantity of these “tags” is determined using wavelength dispersive X‐ray analysis in a scanning electron microscope. With the resins in this study, it is shown that it is possible to measure volume fractions of resin with accuracies ranging from ±0.5 to ±3 volume %. By using brominated resin in only one layer of a laminate, the degree of flow and mixing can be followed accurately. The results suggest that there is considerable resin mixing as well
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